Year	MJ/$2011 PPP GDP
1990	6.60393979017344
1991	6.32281913990938
1992	6.52783742498035
1993	5.98381384419474
1994	6.01741031333829
1995	6.25760480310113
1996	6.60236565560722
1997	6.67803490414137
1998	7.1063029937883
1999	7.2289408514904
2000	7.58010800155776
2001	7.50289015834626
2002	6.85962604293326
2003	6.8936407488159
2004	6.88176162524334
2005	6.73832753207609
2006	7.33732554984057
2007	7.27478168931694
2008	6.16559804230936
2009	5.53334158915247
2010	4.97336573842894
2011	5.21539869054631
2012	5.09475687338571
2013	5.26514207256545
2014	5.10294900803766
2015	5.20720144232321